As we can see from the recent situation in Beijing, environment and traffic have been effectively improved.

从近期北京的环境、交通状况来看，有关问题已经有效改善。

youdao

We have been able to achieve improved scalability in terms of users supported on all the platforms, primarily by reducing CPU and memory usage on the Domino 7 server for Domino Web Access users.

我们能提高所有平台上受支持的用户的可伸缩性，主要是通过减少Domino 7服务器上Domino Web Access的CPU和内存使用情况来实现的。

youdao

Since we have been paying, the content has improved drastically.

自从我们付费了后，内容质量就大大的提升了。

youdao

The economy needs help. But rather than stimulating the economy by providing an improved incentives to work and invest, we have been devoting trillions of dollars in taxpayer money to expanding and creating permanent long-term government spending programs and income-redistribution mechanisms,".

VOA: standard.2009.04.03

We now have a situation where the safety rules have been improved and drilling is beginning again in that region.

WHITEHOUSE: Building a Clean Energy Economy

"The security situation has improved so dramatically, and the Iraqi security forces have improved so dramatically, that we are confident that if things continue to trend as they have been, our services will not be needed in Iraq come 2012, " Morrell said.

CNN: Iraq pact timeline calls for troops to leave by 2011, Pentagon says